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Guardrail Need for Embankments and Culverts; Final research rept
| 题名： | Guardrail Need for Embankments and Culverts; Final research rept |
| 作者： | Wolford, D. F.; Sicking, D. L. |
| 关键词： | Guard rails; Highway planning; Traffic safety; Culverts; Embankments; Roads; Cost benefit analysis; Accident prevention; Computerized simulation; Nebraska |
| 摘要： | A cost-effectiveness analysis procedures was utilized to study safety treatment options for embankments and culverts on 3R projects. The study examined the need for cable and w-beam guardrail to shield traffic from roadside embankments and roadside culverts, respectively. Average embankment and culvert accident severities were estimated using Highway Safety Information System (HSIS) data from Utah and Michigan. Average accident severities were calibrated through computer simulations of ran-off-road accidents. Simplified design charts were developed to allow highway engineers to quickly determine the need for cable and w-beam guardrail on 3R projects. |
| 总页数： | 87p |
| 报告类型： | 科技报告 |
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